Die for hydraulic or steam pipe presses



Nov. 29, 1927.

T. A. HlBBlNs Y DIE FOR HYDRAULIC `OR STEAM PIPE PRESSES Filed July' 24, v1926 2 sneek-sheet 1 fm1. j si y 9 Z .77, f .3 J ,(3 I i l "Il #ig Z3 s J3 I JJ J7 l@ l//f 3 Ji .M

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T. A. HIBBINS DIE FoRnHYDRAULIc 0R sT/EAM P'IPE 'PRESSES Filed July 24, 1926 2 Sheets-Sheet 2 Y lo-fanddischarged 'fr'omf the die pro 55. [Referring now-tothe drawings,- 1 repre- `tramitar'New 2e,v '1927,

svrmrnzorrro, lasers-riore .fro were sraivErtsoNooMBANY,l

`or:weLrgsvraztrz,orrro.- o o DIE-FOR HYDRAULIC o3 s'rEAixrrrrE rREssiasgp y Application. meer :muy 24,1 i

`My vinventionrelates toY improvements" inV dies fofr'hydraulic or steam pipe presses;

lThe object ofiny Iinvention is to provide a die-for fpipenpresses of this character in',- vriwhich-,Ithe*clay is forced- 'by a mud head through a .cylinder andldivided by o corru; gated farms arranged in Athe -archwhich dii". vide's ,.the clay and` after. leavingg'the 'arms v'itis further compressed into a solid massV per., in a continuous .form-of pipe. f p y a Another. obj'ect otny invention is'tol providefa,die foi* presses of th'is'character inv ywhich'"means `is' .providedfor first .formingp15* ithetsocketon the-,end of thenpipe and thene Amaking.etlie remainderof the pipe ina con-r tiriuousoperation, and severing the. pipe Vfromthe. remainder.y of the clay'asit passes fromthe die, andiatthesame vtime provid-l formsthe; socket rat lthe lower end 'tot the pipe alsofserves as means for supporting the pipe-as itis formed in its passage/from the die.. 'Y o Y A' further-object 'of 'my yinvention is 'to' provide a die Yfor presses .of this character" in which the arch, the lcompressin'g chamber belorv the-same, and'thedie proper,A are'mad'e A separately wso that the samecan be readily 30- reimovedfor repairs or,replaf'cementA of fnew;

parts. i. p A,

Astill`tu'rther object of my pinventioii. is to provide a icompressor of this characterin which the compressing chamber7 'the arch" f and lthe Ycompressing.'"v chamber; therebelow,A

are all provided withY linings( of' `hardl Yeast.' f iron to -prevent 'wear directlyon'the sainet Astillffurther object 'of iny"inventionv is Vto iprovidev a more effective die for presses. :of thischaracter 'having certain detailsE ofA structure and combinationof parts here-rin#` yaft-,einmore tullyipsetforth."

' In the accompanying drawings'r- Fig-ure :1 is avertical sectional. view of --the v lo'wer end-ot "the mud cylinder; and" sh owing,-the arch, thecompressinz; chamber,VV and die, in sectionla and showingthe die head f in side elevation partly broken away.v V

" -Figure 2 is a horizontal Ysectional''view @taken onA the line 2 2 ot'Figfure 1, at the junction of connection between the' arch gand the lower. compressing chamber.

. Figure 3 is ya' horizontal 'sectionalfview `taken ori-the line 3-3 roFiggure 1.-

1926-. u semi no. .124,7411' derstood in the art', is filled with`olay,"or the. like;v and the; clay is torcedfdownwardly 1 therethrough by a clay plunger -which greatly compresses the clay.A This'cylinderl i60 n 1 isvprovidedwithajlining 2, and issecuredUl toV the archring 3, as ully shown and de` scribed in my. application filed July 24; 51926.-

Serial 'No 124,740, andv there-tore needsl no further description,'asthis forms no' part `65 of thisinvention. Thel archring 3 is prov vided with the arch 3 havingV threeor moreA corrugated arms 4, 'whichl are` equal distances apart andv support `at'their innerends"the'fA cyl'indricalzmember 5, which is f screw threadu 70 ed at its upper end as' indicated at (3f-and into which is Vscrewed ythe plug-'7 lor closing y the. upper end thereof, 'to *prevent-the passage of blay into Ithe samen Tlie'farch'"Sis"i of .hard steel and support-s atitsupper-endrl the ring` 9,"havingan inclined-wall 10',X as@ clearlyl shown in Figure 1 'ofthedrawings- Th lower endet thearchf'rin'g 3 isprovidedlwith T"an: outwardly; extend-ingflangevv 11` toV l which'is bolted the Ha'nge-fby'l means 'otl80 bolts 13,",and said lHandel@ is 'carriedbythe'-l Y upper end of the choke ring-'14.7 This cholref ringld isprovided 'onfits-innenfta'cev with'' an annular flange-155, 'adaptedlltof support the# choke; liner 16,-'l arrangedl 'entirelyf around gthe'f85 inner -wall-tliereot-f The upper end 'of the choke liner 1671's' beveled inwardly yas inclilVV 18; Extending downwardly/drointliewvertil calwall 18 is 'an outwardly 'extending-Oh 90 lique -wall 19,"v terminatingfushf'with ther lower end of "thev choke chamberj'll'i The!" lower end of. the chokerinp; 14 is'provided Withan annular tlairejeQO `to which is bolted1 the flangeI 21I carried by thesection 220i' the-95 die proper. This die sectionQQ! extends in t anmoblicui'e,r `inward 'directionfiJ'orrnirrnqn the slanting walllQB. The lowerend-'of-tlie dier' sect-i on 22 is provided with the vertical inner wall 24j, connected to" the' -outwardlyextend-l 100 ing oblique wall25,'whichteriniiiateseifnithe 1 vertical 'wall QG. having 'itslower endbev:l eled as indicated at 27 The :archiring isiA provided vwith' fa horizontally arranged open ino; 28 throughk which extends theqshat 295i 105 which extends inwardly through'i-one of the' arms-4; into the cylindriealiniember 5, carr ried bythe Vinner cndsfot the arms;A The. cylindrical member 2 5 :iisz: internally! threadedJ as indicated at.30"'and finto which'l 110` feo is 'serewedf the f mein-b'er 31,l whiclff is .fr 'pro-,f Videdat its upperendpwith averticaljwall" -32terminating lin tlieinwardly extendingv wall 33', and? extending .1downwardlyl--ffom 1 the inwardlyextending wall 83 isagyertical wall 34. The Inelnberhat thefendottlie yertie'alr Wall 34, isbr'eduee'd asindicatedat Y .35 and-externally;threaded, and uponwhieh .is screwed the linnerv'ring member 36er" the. i .10 'jdie..{ Thisdie ringrm'emberis provided with ythe/ obliquelylarrangedwall 3Tterminati'ng'p in, the vertical wall.V 38, .arranged 'opposite v thejyertical wall 24? ofthe" die memberJQQlQ j .:Thus/,jitwill be seenvth'at the', passage 24? 15? yring member-.3 6 ofthefdie,"isequalfto the 1 'andjspaced fthereiroin .to'formqafsocket on the'lowerendcofthe kpipe of. the shape shown-k lIfinz Figure 1 of-thedrawings .vbeyeled. .i wallsg25 fof the die Vsection *22 are 'provided withg, ..seriesl of-glvalves .45 :normallyheld closed bythe springs, to hold them onltheir seats Aand Yprevent;the"clay from .passing outifwarldlyf fromlthe die- These valyes will. open by any "suction, fand Vthus- .allowj air to Y pases;into"theQdieQatQthe oblique wallf25," andfbreakjfany yaouumfor suotionto allow.

thej downward movement ofthe s oeket after.; f-itjhasjbeen formedbetwn the die: headfnnjd Y "45' the router ymember 122 um die lfwhii@ I have shown--thislfspeei'ic .construction. 'of

any'inward pressureif Y i In theoperation-ot-my improyeddie,

-. clay isfplaeedin `thegclaycylinder1,-and

` `forced downwardly fby lthe elay plunger,

which forces thelclay Vinto the arch' ring, thefcorrugatedfarmsfldivide the clay, .causf ingi't to be divided? Therolaythen Continu'es downwardlyuntilr it engagesV the beveled. wallfl? oft-liefehoke llinerg'fand .Conltinues. downwardly into the enlarged spacej between the 'slantihglf wall 119 of the Choke liner, land thewalls S3`and 34, of the vmember uiedig member 22 @nu 36;; fr'ileifie,V eliung "walls greatly compress the clay and ii'fpasse'S` outwardly through i the vertical 'passage 245'# kun'der'stood that l the die" head V452 is. ki1

`and4 the fclay' plunger is!'continued- @{Fbe y forced downwardly, .eedifrig clay. through A l atheseveralpassages,jas heretoforedescribed, form'edbetween the die members '22, .and the .y I y clay plunger, VVthere* Should ybe anyfsuctionat thickness of 'the pipe'to be formed by tliedie.`

y'The 'shaft 29. within thev cylindrical*memberf '5 p royidedfwith beyeled gear .i3-9, meshf. ing iywith the ,beveled gear 40, carriedwby the upper end of thel shattlgarranged:in lthe.`

' hollow,l cylindrical member The .lower f end of? the shaft llwcarries the knifefl'for .putting j the 'pipe'. asf le scrib`ed` in as'eparate application Serial Noi 124.7 k'led July 24, 1926, in which;applicantl has made claims lfor theffspeeific construetionzel3 the knife andv its operating mechanism The .hoist pis? tognv 4 2-joarries the'dieihea-d 43, whieh'has` a `re'dueed portionel, `which extendsupwardly withinthe lower-v @nd .of theldie section 22,

` what- I claimis@ 1L A pipe presscomprising a elayjcylin will Vbe' seen .that f vertical pipefQwill j bei Vstopped and theknife set intooperation- Vto` from the die.

again e'xpand, and. a diev in pommunicfation vyali -it. wi-ll beufnderstood thatjanyyalve could be ueecL-jwhichwould'be lclosed by any; 1 :outward pressure, and would be l opened Vby y forming.

"cylinder, and having' central Cylindricgil'' 'hollow portion, achokeringfbelowthe arch, 3L' This-allows theclay. to belirmly unitedf at the division linesgaand it is continued to b'effirced downwardly 'and "passes into the space between'the slanting ywa'll'23 and of hep position showninfligure 1 of.thedrawngsf.v Y' Th'ejolayfthen fllsgtheifspace between the dief headandlhe walleof the two die members i 22""and .36,forin`ing the socketjat -thelowerf i endoic the pipe; After this sockethas been v75. v 1 ffl formed.thefdiehead is gradually lowered 'l the slantingjwall. 25 of thel outer .dier memf bers on {theisockeft the '-fvalveewijllV open or break thes uetion' V orl Vacuum to'fallow the move downwardly. After th'sftakes plaee it' d' formedof a thickness .equal to theispace 24.'

pipe until 1a lpipe of desiredflengthis forniepLgfl I when ythe `clayl plu'nger andfjdielxead' aref` sever-the pipe from the body of'clay -A *i I -Ivingth-us"fully desoribed invention?ky der., an arch below the .cylinder for support-J compressingfmea'ns for forming a'pipe,

pipe pressv oomprisingja` olayfcylinder, anarch below the cylinder for support-v ing thedie part, a chamber belowthefarhf for compressing the clayandy allowing liti toi 'Y with'k .theflower end oftheY chamber. E'

A :pipe press comprisinga clay der, an .archffor supporting the'die part and inde`r,`adie below the arch, and adiehead working` 1n combination-with the die fo r` Y la.V so'ckethon theg-lower end. ofgthef A. pipe presscomprising a' -`clayeylinder, an arch o'omniunicating;v withjthe .cylin der forfsupp'orting thedie partand forming, theupper portion-,ot the clay cylinder,gm,k outer die member supported by the arch, and a central die .member supported'by'the Center of saidfarclrl' 5.V A- pipe presscemprising'V a Clay Cylini I der', an archearried by the lower end'fo ie.

an outer die member Carried "bythe choke? ring, and "an .innerv diel member carried byi the y.Central .eylindrieal .member of the archi 6.A pipe press comprising a clayfcyilin- 'f ayiiaaef ad man@ @renew @man @ry-ns.'-

"drica-l portion-,i aCloke ring "carried Iby the ,lowery end of the arch, an outer die member j Gameday! are awel-feria ef' therehgokei ping,

l u and a vertical member' supportedbylthecen# -tral'cylindrial portion ofthe arch, and an 'inneidiemember carriediby'the lower end of` the vertical member.

7. `A pipe presscomprising a claycylinder, anarch 'carriedfby the lower end of the cyli inder, a central cylindricalmember carried i by the arch, a'chokering carried by the lower-end of the arch, an outer die member carried bythe lowerend of the choke ring,

a vertical member secured within the lower end of the central cylindrical member carried by the arch, and extending downwardly through the choke ring, and an inner die drical portion, a vchoke ring carried by the rlower end of the arch, an outer'die member carried by the lower end 'of the choke ring,

a vertical member Vremovably secured within thev lower end of the central cylindrical portion of the arch, and extending downwardly 'through the chokering, aninner die member securedto the lower end of the vertical member, a vertical-knife shaft passing through the vertical member and carrying a gear at its upperfend within v'the central hollow cyv lindricalportion of the arch, a second gear meshing withthe first gear, and a horizontal *"shaftcarried by the vsecond gear, and passingl outwardly through the arch.

9. pipe press comprising'a clay cylinder, anl arch supported by the' cylinder, a. choke ring "carried by the lower end of the arch, an outer die member carried by the lower end of the choke ring, a vertical member supported by' the cent-ral portion oit' the arch, a second die member secured to the lower end of the vertical member, and aV l die head-cooperating with the die member' ytoY form a socket at' the lower end of the pipe and vto support the pipe as it is formed p by the die. f

10. A. pipe press comprising a clay cylinder, an arch supported thereby, below the same, and havingfa central cylindrical portion, a choke ring carried by the lower end of the arch, an outer die member carried and `downwardly extending wall, relief valves arranged in said outwardly extending wall, a vertical member supported in Y the lower end of the central cylindrical portion ofthe arch, and extending through the choke ring, and a second die member carried `by the lower lend.4 oi f thevertiic'al A"inem-i ber; fand having' fai d-ive-rfgi'ng: walll terminating iiravertical fwallfofa greater length than the vertical wall 4oftheouter die member."vv lf= l 11.' A pipe 'pres'szcomprising inder,:an.l arch supported' by 1the `r lower end off-fthev cylinder, and' having finwardly:A 'ex-1 tending webs supporting at their inner ends a cylindrical member, a choke ring carried by the lower'end of the arch, an outer die member carried by the lower end oi the choke ring, a vertical member supported within the cylindrical member carried by the webs, and extending downwardly through the choke ring,and a lsecond die.

member carried by the lower end of the said vertical member. Y

12. A pipe press comprising a clay cylinder, an arch carried by the lower end of -the cylinder, a choke ringcarried by the lower end of the arch, and having its inner wall extending obliquely inwardly', and thenoutwardly, a die member supported by the lower end of the choke ring, and a second Y die member supported by the arch.

13. Ay pipe press comprising a clay-cylinder, an arch carried by the lowerend of the cylinder, a -choke ring carried by the klower end of the. arch, and having its inner wall extending Vobliquely inwardly and terminating in a vertical wall, and extending from the lower end of the vertical wall in an oblique outward direction, an outer die member carried by the lchoke ring, and an Yinner die member supported by the arch.

14. A pipe press comprising a cylinder, an arch supported by the lower end of the cylinder, and vhaving inwardly extending webs supporting the vertical hollow cylindrical member, a choke ring carried by the lower end' of the arch, and having its inner wall converging inwardly and diverging outwardly, a die member carried bythethe central cylindrical member and extendv ing downwardly through the. choke ring, a second die member carried by the lower endvof the vertical member, and a die head work-r ing in combination with the die for forming a socket on the end of the pipe and supporting the pipe during vits formation by the die. i 15. A pipe press comprising a clay cylinder, a choke ring secured to the lower end of the cylinder, an arch member supported within the ring and'formed with a numberL of webs, a vertical cylindrical hollow memberformed integral with the webs, a choke ring carried by the arch member, and having its upper inner wall converging` inwardly and diverging outwardly, a die member car-V ried by the lower end of the choke ring, a vertical member secured in the central cy- 

